Author: jamie
Date: Fri Feb 27 02:53:44 2015
New Revision: 279348
URL: https://svnweb.freebsd.org/changeset/base/279348

Log:
  MFC r279083:
  
    Fix the logic for skipping parameters (with -s) that have "jailsys"
    parents (such as host.hostname); these were being skipped all the time.
    That it went this long without anyone noticing is a sign that this feature
    isn't actually used by anyone, but it's there so it might as well work.
  
  MFC r279123:
  
    Allow for parameters added with the JP_OPT flag to not exist.
    That's why the flag exists in the first place.

Modified:
  stable/10/usr.sbin/jls/jls.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/usr.sbin/jls/jls.c
==============================================================================
--- stable/10/usr.sbin/jls/jls.c        Fri Feb 27 02:50:01 2015        
(r279347)
+++ stable/10/usr.sbin/jls/jls.c        Fri Feb 27 02:53:44 2015        
(r279348)
@@ -78,7 +78,7 @@ static void quoted_print(char *str);
 int
 main(int argc, char **argv)
 {
-       char *dot, *ep, *jname;
+       char *dot, *ep, *jname, *pname;
        int c, i, jflags, jid, lastjid, pflags, spc;
 
        jname = NULL;
@@ -178,10 +178,11 @@ main(int argc, char **argv)
                for (i = 0; i < nparams; i++) {
                        if ((params[i].jp_flags & JP_USER) &&
                            (dot = strchr(params[i].jp_name, '.'))) {
-                               *dot = 0;
-                               param_parent[i] = add_param(params[i].jp_name,
+                               pname = alloca((dot - params[i].jp_name) + 1);
+                               strlcpy(pname, params[i].jp_name,
+                                   (dot - params[i].jp_name) + 1);
+                               param_parent[i] = add_param(pname,
                                    NULL, (size_t)0, NULL, JP_OPT);
-                               *dot = '.';
                        }
                }
        }
@@ -293,10 +294,8 @@ add_param(const char *name, void *value,
                param->jp_flags |= flags;
                return param - params;
        }
-       if (jailparam_init(param, name) < 0)
-               errx(1, "%s", jail_errmsg);
-       param->jp_flags = flags;
-       if ((value != NULL ? jailparam_import_raw(param, value, valuelen)
+       if (jailparam_init(param, name) < 0 ||
+           (value != NULL ? jailparam_import_raw(param, value, valuelen)
             : jailparam_import(param, value)) < 0) {
                if (flags & JP_OPT) {
                        nparams--;
@@ -304,6 +303,7 @@ add_param(const char *name, void *value,
                }
                errx(1, "%s", jail_errmsg);
        }
+       param->jp_flags = flags;
        return param - params;
 }
 
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